; CHECK: lock
; CHECK: cmpxchg8b
; CHECK: jne
- tail call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
- %0 = tail call i64 @llvm.atomic.load.add.i64.p0i64(i64* %p, i64 1) ; <i64> [#uses=0]
- tail call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
+ %0 = atomicrmw add i64* %p, i64 1 seq_cst
ret void
}
-
-declare void @llvm.memory.barrier(i1, i1, i1, i1, i1) nounwind
-
-declare i64 @llvm.atomic.load.add.i64.p0i64(i64* nocapture, i64) nounwind